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/*
* xen/arch/arm/platforms/rcar2.c
*
* Renesas R-Car Gen2 specific settings
*
* Iurii Konovalenko <iurii.konovalenko@globallogic.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <xen/mm.h>
#include <xen/vmap.h>
#include <asm/platform.h>
#include <asm/io.h>
#define RCAR2_RAM_ADDR 0xE63C0000
#define RCAR2_RAM_SIZE 0x1000
#define RCAR2_SMP_START_OFFSET 0xFFC
static int __init rcar2_smp_init(void)
{
void __iomem *pram;
/* map ICRAM */
pram = ioremap_nocache(RCAR2_RAM_ADDR, RCAR2_RAM_SIZE);
if( !pram )
{
dprintk( XENLOG_ERR, "Unable to map RCAR2 ICRAM\n");
return -ENOMEM;
}
/* setup reset vectors */
writel(__pa(init_secondary), pram + RCAR2_SMP_START_OFFSET);
iounmap(pram);
sev();
return 0;
}
static const char *const rcar2_dt_compat[] __initconst =
{
"renesas,lager",
NULL
};
PLATFORM_START(rcar2, "Renesas R-Car Gen2")
.compatible = rcar2_dt_compat,
.cpu_up = cpu_up_send_sgi,
.smp_init = rcar2_smp_init,
PLATFORM_END
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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